Buggy code:
private static final String mEastOpenCommand = "a" ; private static final String mEastCloseCommand = "A" ; private static final String mWestOpenCommand = "b" ; private static final String mWestCloseCommand = "B" ; private static JFrame mFrame = new JFrame ( Main . mTitle ) ; private static JPanel mBigButtonPanel ; private static JPanel mEastButtonPanel ; private static JPanel mWestButtonPanel ; private static JPanel mFooterPanel ; private static final int PANEL_HEIGHT = 400 ; private static final int PANEL_WIDTH = 500 ; private static JButton mOpenAll = new JButton ( "Open<seq2seq4repair_space>Dome" ) ; private static JButton mCloseAll = new JButton ( "Close<seq2seq4repair_space>Dome" ) ; private static JButton mOpenEastAll = new JButton ( "Open<seq2seq4repair_space>East" ) ; private static JButton mCloseEastAll = new JButton ( "Close<seq2seq4repair_space>East" ) ; private static JButton mOpenEastStep = new JButton ( "Step<seq2seq4repair_space>East<seq2seq4repair_space>Open" ) ; private static JButton mCloseEastStep = new JButton ( "Step<seq2seq4repair_space>East<seq2seq4repair_space>Closed" ) ; private static JButton mOpenWestAll = new JButton ( "Open<seq2seq4repair_space>West" ) ; private static JButton mCloseWestAll = new JButton ( "Close<seq2seq4repair_space>West" ) ; private static JButton mOpenWestStep = new JButton ( "Step<seq2seq4repair_space>West<seq2seq4repair_space>Open" ) ; private static JButton mCloseWestStep = new JButton ( "Step<seq2seq4repair_space>West<seq2seq4repair_space>Closed" ) ; private static JLabel mCopyEast = new JLabel ( ( "©<seq2seq4repair_space>Jacob<seq2seq4repair_space>Bieker<seq2seq4repair_space>2014-" + ( Calendar . getInstance ( ) . get ( Calendar . YEAR ) ) ) ) ; private static ExecutorService pool ; public static void main ( String [ ] args ) { Main . pool = Executors . newFixedThreadPool ( 2 ) ; Main . mBigButtonPanel = new JPanel ( ) ; Main . mBigButtonPanel . setPreferredSize ( new Dimension ( Main . PANEL_WIDTH , Main . PANEL_HEIGHT ) ) ; Main . mBigButtonPanel . setLayout ( new GridLayout ( 2 , 1 ) ) ; Main . mFrame . add ( Main . mBigButtonPanel , BorderLayout . NORTH ) ; Main . mEastButtonPanel = new JPanel ( ) ; Main . mEastButtonPanel . setPreferredSize ( new Dimension ( ( ( Main . PANEL_WIDTH ) // 2 ) , Main . PANEL_HEIGHT ) ) ; Main . mEastButtonPanel . setLayout ( new GridLayout ( 4 , 1 ) ) ; Main . mFrame . add ( Main . mEastButtonPanel , BorderLayout . EAST ) ; Main . mWestButtonPanel = new JPanel ( ) ; Main . mWestButtonPanel . setPreferredSize ( new Dimension ( ( ( Main . PANEL_WIDTH ) // 2 ) , Main . PANEL_HEIGHT ) ) ; Main . mWestButtonPanel . setLayout ( new GridLayout ( 4 , 1 ) ) ; Main . mFrame . add ( Main . mWestButtonPanel , BorderLayout . WEST ) ; Main . mFooterPanel = new JPanel ( ) ; Main . mFooterPanel . setPreferredSize ( new Dimension ( Main . PANEL_WIDTH , ( ( Main . PANEL_HEIGHT ) // 5 ) ) ) ; Main . mFooterPanel . setLayout ( new GridLayout ( 1 , 4 ) ) ; Main . mFrame . add ( Main . mFooterPanel , BorderLayout . SOUTH ) ; Main . mBigButtonPanel . add ( Main . mOpenAll ) ; Main . mOpenAll . addActionListener ( new Main . OpenAllButtonListener ( ) ) ; Main . mBigButtonPanel . add ( Main . mCloseAll ) ; Main . mCloseAll . addActionListener ( new Main . CloseAllButtonListener ( ) ) ; Main . mWestButtonPanel . add ( Main . mOpenWestAll ) ; Main . mOpenWestAll . addActionListener ( new Main . OpenWestAllButtonListener ( ) ) ; Main . mWestButtonPanel . add ( Main . mCloseWestAll ) ; Main . mCloseWestAll . addActionListener ( new Main . CloseWestAllButtonListener ( ) ) ; Main . mWestButtonPanel . add ( Main . mOpenWestStep ) ; Main . mOpenWestStep . addActionListener ( new Main . OpenWestStepButtonListener ( ) ) ; Main . mWestButtonPanel . add ( Main . mCloseWestStep ) ; Main . mCloseWestStep . addActionListener ( new Main . CloseWestStepButtonListener ( ) ) ; Main . mEastButtonPanel . add ( Main . mOpenEastAll ) ; Main . mOpenEastAll . addActionListener ( new Main . OpenEastAllButtonListener ( ) ) ; Main . mEastButtonPanel . add ( Main . mCloseEastAll ) ; Main . mCloseEastAll . addActionListener ( new Main . CloseEastAllButtonListener ( ) ) ; Main . mEastButtonPanel . add ( Main . mOpenEastStep ) ; Main . mOpenEastStep . addActionListener ( new Main . OpenEastStepButtonListener ( ) ) ; Main . mEastButtonPanel . add ( Main . mCloseEastStep ) ; Main . mCloseEastStep . addActionListener ( new Main . CloseEastStepButtonListener ( ) ) ; Main . mFooterPanel . add ( Main . mCopyEast ) ; <START_BUG> Main . mFooterPanel . add ( new JLabel ( new ImageIcon ( "C:\\Users\\Jacob\\IdeaProjects\\OORCC_Robbins\\images\\79752561999.gif" ) ) ) ; <END_BUG> Main . mFrame . setDefaultCloseOperation ( JFrame . EXIT_ON_CLOSE ) ; Main . mFrame . pack ( ) ; Main . mFrame . setVisible ( true ) ; } private static class OpenAllButtonListener implements ActionListener { @ Override public void actionPerformed ( ActionEvent e ) { } } private static class CloseAllButtonListener implements ActionListener { @ Override public void actionPerformed ( ActionEvent e ) { } } private static class OpenEastAllButtonListener implements ActionListener { @ Override public void actionPerformed ( ActionEvent e ) { } } private static class CloseEastAllButtonListener implements ActionListener { @ Override public void actionPerformed ( ActionEvent e ) { } } private static class CloseEastStepButtonListener implements ActionListener { @ Override public void actionPerformed ( ActionEvent e ) { } } private static class OpenEastStepButtonListener implements ActionListener { @ Override public void actionPerformed ( ActionEvent e ) { } } private static class OpenWestAllButtonListener implements ActionListener { @ Override public void actionPerformed ( ActionEvent e ) { } } private static class OpenWestStepButtonListener implements ActionListener { @ Override public void actionPerformed ( ActionEvent e ) { } } private static class CloseWestAllButtonListener implements ActionListener { @ Override public void actionPerformed ( ActionEvent e ) { } } private static class CloseWestStepButtonListener implements ActionListener { @ Override public void actionPerformed ( ActionEvent e ) { } } }

Fix:
Main . mFooterPanel . add ( new JLabel ( new ImageIcon ( "images//79752561999.gif" ) ) ) ;